Residential heating systems typically range from:
A) 50,000 BTUs to 150,000 BTUs. B) 75,000 BTUs to 125,000 BTUs.
C) 75,000 BTUs to 200,000 BTUs. D) 100,000 BTUs to 120,000 BTUs.
A
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A ____ noise can be caused by shorted diodes or stator, or by a worn rotor bearing.
A. squealing B. whining C. whirring D. rattling
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Which of these conditions will disable the electric AIR pump?
A) The MAP sensor shows a pressure of less than 20 kPa B) The PCM has set a DTC for the AIR system C) The AIR pump has been on for more than 240 seconds D) All of these are correct
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The fuel pump is turned on and off by ________
A) The fuel pump relay B) A vacuum switch C) High fuel tank pressure D) The fuel pump rocker switch
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